Lets Start Working On That McDonald's Application For You

"What do plants make sugar out of? - Teacher


"Carbon dioxide" - Student

"So where does the carbon in sugar come from?" - Teacher

"Ummm, water? - Student

"OK, plants make sugar from CARBON dioxide, where does the carbon in sugar come from?" - Teacher

"Ummm,  the sun?" - Student

After 5 minutes of this he still couldn't answer the question.  I gave up.